AK4438 Datasheet, PDF (10/63 Pages) Asahi Kasei Microsystems – 108dB 768kHz 32bit 8-Channel Audio DAC

[AK4438]
■ Slow Roll-Off Filter (SD bit = “0”, SLOW bit = “1”)
fs=44.1kHz
Parameter
Digital Filter
Passband
(Note 15)
0.05dB
3.0dB
Passband Ripple
(Note 12)
Stopband
(Note 15)
Stopband Attenuation
(Note 14)
Group Delay
(Note 13)
Digital Filter + SCF + SMF (Note 14)
Frequency Response : 0  20.0kHz
Symbol
PB
PB
PR
SB
SA
GD
Min.
0
-0.043
39.2
73
-
-5.06
Typ.
18.2
6.3
Max.
Unit
8.1
kHz
kHz
0.0032
dB
kHz
dB
-
1/fs
0.1
dB
fs=96kHz
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Passband
(Note 15)
0.05dB
3.0dB
PB
PB
0
17.7
kHz
39.5
kHz
Passband Ripple
(Note 12)
PR
-0.043
0.043
dB
Stopband
(Note 15)
SB
85.3
kHz
Stopband Attenuation
(Note 14)
SA
73
dB
Group Delay
(Note 13) GD
-
6.3
-
1/fs
Digital Filter + SCF + SMF (Note 14)
Frequency Response : 0  20.0kHz
-5.23
0.1
dB
fs=192kHz
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Passband
(Note 15)
0.05dB
3.0dB
PB
PB
0
35.5
kHz
79.0
kHz
Passband Ripple
(Note 12)
PR
-0.043
0.043
dB
Stopband
(Note 15)
SB
171
kHz
Stopband Attenuation
(Note 14)
SA
73
dB
Group Delay
(Note 13) GD
-
6.3
-
1/fs
Digital Filter + SCF + SMF (Note 14)
Frequency Response : 0  20.0kHz
-5.90
0.1
dB
Note 15. The pass band and stop band frequencies scale with fs. For example, PB=0.185×fs,
SB=0.888×fs.
016001925-E-00
- 10 -
2016/03